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BigBob, Shop manager/Service Manager
Category: Chrysler
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Experience:  Shop Manager with 25 years experience
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2001 Ptcruiser Check engine light on, Code P0601 appears. What

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2001 Ptcruiser Check engine light on, Code P0601 appears. What is problem? how do I fix?
Greetings,

Replace the Powertrain Control Module (PCM) and use a scan tool to enter the VIN into it. There are no tests for this code. There is an internal problem in the PCM.


SYMPTOM
P0601-PCM INTERNAL CONTROLLER FAILURE

TEST NOTE
This symptom is diagnosed using the test P0600-PCM FAILURE SPI COMMUNICATIONS.

WHEN MONITORED
Ignition key on.

SET CONDITION
Internal checksum for software failed, does not match calculated value.

POSSIBLE CAUSES
  • PCM (Internal or SPI)

SYMPTOM
P0600-PCM FAILURE SPI COMMUNICATIONS

WHEN MONITORED
Ignition key on.

SET CONDITION
Internal Bus communication failure between processors.

POSSIBLE CAUSES
  • PCM (Internal or SPI)



let me know if I can help further.

Good luck,
Bob

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